function copyStr(str) {
	const input = document.createElement('input')
	document.body.appendChild(input)
	input.value = str // 复制到剪切板的内容
	input.select()
	if (document.execCommand) {
	  document.execCommand('copy')
	  input.remove()
	  this.$message.success('Copy success')
	} else {
	  this.$message.error('Current browser does not support copy')
	  input.remove()
	}
	//window.location.href = 'weixin://';  //打开手机微信
}
